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/*
* Copyright 2016 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.common.jimfs;
import static com.google.common.truth.Truth.assertThat;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.concurrent.TimeUnit.SECONDS;
import java.io.IOException;
import java.nio.file.WatchService;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Tests for {@link WatchServiceConfiguration}.
*
* @author Colin Decker
*/
@RunWith(JUnit4.class)
public class WatchServiceConfigurationTest {
private JimfsFileSystem fs;
@Before
public void setUp() {
// kind of putting the cart before the horse maybe, but it's the easiest way to get valid
// instances of both a FileSystemView and a PathService
fs = (JimfsFileSystem) Jimfs.newFileSystem();
}
@After
public void tearDown() throws IOException {
fs.close();
fs = null;
}
@Test
public void testPollingConfig() {
WatchServiceConfiguration polling = WatchServiceConfiguration.polling(50, MILLISECONDS);
WatchService watchService = polling.newWatchService(fs.getDefaultView(), fs.getPathService());
assertThat(watchService).isInstanceOf(PollingWatchService.class);
PollingWatchService pollingWatchService = (PollingWatchService) watchService;
assertThat(pollingWatchService.interval).isEqualTo(50);
assertThat(pollingWatchService.timeUnit).isEqualTo(MILLISECONDS);
}
@Test
public void testDefaultConfig() {
WatchService watchService =
WatchServiceConfiguration.DEFAULT.newWatchService(fs.getDefaultView(), fs.getPathService());
assertThat(watchService).isInstanceOf(PollingWatchService.class);
PollingWatchService pollingWatchService = (PollingWatchService) watchService;
assertThat(pollingWatchService.interval).isEqualTo(5);
assertThat(pollingWatchService.timeUnit).isEqualTo(SECONDS);
}
}
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